UN-1 – device for ultrasonic lap welds
An ultrasonic flaw detector for examining lap welds, consisting of two P121 – 5 – 45° ultrasonic converters and a mechanical accessory with a guide rail and fixing screw. The ultrasonic examination techniques used are mirror-shadow and echo methods. The method is approved by Rostechnadzor of Russia.
UP-1 – device for ultrasonic welds crosshairs
UMBT-1 – mechanical device for ultrasonic drill pipe
A mechanical device for the ultrasonic examination of drill pipes Ø60–168 mm with a set of aperture-contact converters:
- P321 – 2,5 – 73SЩК° , P321 – 2,5 – 68SЩК: ultrasonic examination of threaded part of tool joint and base metal of pipes (detection of cracks);
- P321 – 2,5 – Ø5/2ЩК: ultrasonic examination of base metal (detection of corrosion)
- P311 – 2,5ЩК°, P321 – 2,5 – 60ЩК: ultrasonic examination of threaded part of tool joint from the thrust shoulder side (without use of the device).